>4lah_X mol:protein length:167 Dihydrofolate reductase MTLSILVAHDLQRVIGFENQLPWHLPNDLKHVKKLSTGHTLVMGRKTFESIGKPLPNRR NVVLTSDTSFNVEGVDVIHSIEDIYQLPGHVFIFGGQTLFEEMIDKVDDMYITVIEGKF RGDTFFPPYTFEDWEVASSVEGKLDEKNTIPHTFLHLIRKKLEHHHHHH